Hydride compressor

A hydride compressor is a hydrogen compressor based on metal hydrides with absorption of hydrogen at low pressure and desorption of hydrogen at high pressure by raising the temperature with an external heat source like a heated waterbed or electric coil.[1][2][3][4]

Advantages of the hydride compressor are the high volumetric density, no moving parts and reversible absorption/desorption, disadvantages are the high cost of the metal hydride and weight.

History

The first applications of metal hydrides were made by NASA to demonstrate long-term hydrogen storage for use in space propulsion. In the 1970s, automobiles, vans, and forklifts were demonstrated.[5] The metal hydrides were used for hydrogen storage, separation, and refrigeration. An example of current use are hydrogen sorption cryocoolers[6] and portable metal hydride compressors.[7]

See also

References
  1. Metal hydride thermal sorption compressor
  2. Hydride compressor Archived 2012-05-03 at the Wayback Machine
  3. Investigation on a three-stage hydrogen thermal compressor based on metal hydrides
  4. Investigation on high-pressure metal hydride hydrogen compressors
  5. Metal hydrides for vehicular applications: The state of the art
  6. Evaluation of hydride compressor elements for the Planck sorption cryocooler
  7. Metal hydride compressor Archived 2009-10-01 at the Wayback Machine
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